Sunny SF-RB4616 User manual

EASY ADJUSTABLE SEAT
RECUMBENT BIKE
SF-RB4616
USER MANUAL
IMPORTANT! Please retain owner’s manual for maintenance and adjustment instructions. Your
satisfaction is very important to us, PLEASE DO NOT RETURN UNTIL YOU HAVE
CONTACTED US: [email protected] or 1- 877 - 90SUNNY (877-907-8669).

1
IMPORTANT SAFETY INFORMATION
We thank you for choosing our product. To ensure your safety and health, please use this
equipment correctly. It is important to read this entire manual before assembling and using the
equipment. Safe and effective use can only be achieved if the equipment is assembled, maintained,
and used properly. It is your responsibility to ensure that all users of the equipment are informed of
all warnings and precautions.
1. Before starting any exercise program, you should consult your physician to determine if you
have any medical or physical conditions that could put your health and safety at risk or prevent
you from using the equipment properly. Your physician’s advice is essential if you are taking
medication that affects your heart rate, blood pressure, or cholesterol level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your health. Stop
exercising if you experience any of the following symptoms: pain, tightness in your chest,
irregular heartbeat, shortness of breath, lightheadedness, dizziness, or feelings of nausea. If
you do experience any of these conditions, you should consult your physician before continuing
with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for adult use only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor or carpet.
To ensure safety, the equipment should have at least 2 feet (60 CM) of free space all around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment. The safety of
the equipment can only be maintained if it is regularly examined for damage and/or wear and
tear.
6. Always use the equipment as indicated. If you find any defective components while assembling
or checking the equipment, or if you hear any unusual noises coming from the equipment during
exercise, discontinue use of the equipment immediately and do not use until the problem has
been rectified.
7. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
8. Do not place fingers or objects into the moving parts of the equipment.
9. The maximum weight capacity of this unit is 300 pounds (135 KG).
10.The equipment is not suitable for therapeutic use.
11.To avoid bodily injury and/or damage to the product or property, proper lifting and moving are
required.
12.Your product is intended for use in cool and dry conditions. You should avoid storage in extreme
cold, hot or damp areas as this may lead to corrosion and other related problems.
13.This equipment is designed for indoor and home use only; it is not intended for commercial use.

2
EXPLODED DIAGRAM

3
HARDWARE PACKAGE
#19 M8*60 2pcs
#20 M8*60 2pcs
#29 M8*50 2pcs
#26 Φ16*Φ8.5*1.5 6pcs
#25 M8*42 2pcs
#24 D8 4pcs
#23 Φ16*Φ8.5*1.5 12pcs
#27 M8 4pcs
#33 M6*15 2pcs
#21 M8*20 4pcs
#22 M8*45 4pcs
#90 S13-14-15-17 1pc
#91 S5 1pc
#28 M8*16 4pcs

4
PARTS LIST
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
1
Main Frame
1
32
Screw
M5*15
2
2
Front Post
1
33
Screw
M6*15
2
3
Front Stabilizer
1
34
Lock Washer for
Shaft
D12
1
4
Cushion Frame
1
35
Bolt
M5*45
1
5
Handlebar
1
36
Arc Washer
20*6*1
1
6
Adjusting Tube
1
37
Bolt
M5*10
2
7
Magnetic Board
1
38
Bearing Housing
Ø56*15.5
2
8
Idler Link
1
39L/R
Crank
40*220,1/2
1
9
Rear Stabilizer
1
40
Flywheels Spacer
16*10.2*17
1
10
Hex Tap Bolt
M6*70
1
41
Tension Spring
18*48,wire2
1
11
Hex Nut
M6
2
42
Square Magnet
40*25*10
8
12
Hex Tap Bolt
M6*70
1
43
Round Magnet
15*6,without seat
1
13
Plastic Nut
M8
1
44
Inertia Wheel
10*125*M10*1*17
1
14
Hex Nut
M10*1*H5
2
45
Magnetic
Flywheel
200*72.5/3kg
1
15
Taper Nut
M10*1*H4
2
46
Bearing
6000z
2
16
Plastic Nut
M8,S13
4
47
Tension Spring
18*48,Wire 2
1
17
Screw
ST4.2*20
8
48
Tap Bolt
9.8*4*M8*15
1
18
Screw
ST4.2*20
5
49
Brake Handle
12*380
1
19
Carriage Bolt
M8*60
2
50
Eccentric Shaft
12*105
1
20
Bolt
M8*60
2
51
Eccentric Wheel
20*38
1
21
Bolt
M8*20
4
52
Alloy Bushing
23*12.2*11
2
22
Bolt
M8*45
4
53
Lock Washer
30*2
2
23
Flat Washer
Φ16*Φ8.5*1.5
13
54
Idler Spacer
16*10.2*10
1
24
Spring Washer
D8
4
55
Pulley
240/J6,
Hexagonal hole
1
25
Carriage Bolt
M8*42
2
56
Foam Grip for
Handlebar 1
3*33*450
2
26
Arc Washer
Φ16*Φ8.5*1.5
6
57
Foam Grip for
Handlebar 2
3*33*160
2
27
Cap Nut
M8
4
58
End Cap for Rear
Stabilizer
with 50
2
28
Bolt
M8*16
4
59
End Cap for Front
Stabilizer
with 50
2
29
Bolt
M8*50
2
60L/R
Pedal
2
30
Screw
M5*8
4
61
Round End Cap
25*1.5 tube
4
31
Screw
M8*38
2
62
Belt
370PJ6
1

5
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
63
Seat Cushion
360*280*40
1
79
Sensor
500mm, with seat
1
64
Backrest Cushion
380*290*40
1
80
Hand Pulse
Sensor
700mm
2
65
Sleeve
Outer Recipe tube
80 * 40 * 1.5
2
81
Hand Pulse Wire
1
600mm
2
66
Rectangular End
Cap
60*30*1.5 wire
2
82
Hand Pulse Wire
2
1600mm
1
67
Rectangular End
Cap
38*38*1.5 wire
2
83
Brake Handle
24*77*holes 12
1
68
Plug
with 12 holes
2
84
Open Face
Bearing
Ø46*8
2
69L/R
Cover
2
85
Locking Nut
Ø46*12
1
70
Crank Plug
2
86
Locking Washer
Ø46*2
1
71
Arc Idler
1
87
Hex Nut
32*32*4
2
72a
Tension Control
Knob
1
88
Locking Nut
Ø46*12
1
72b
Tension Control
Wire
280mm
1
89
Washer
Ø40.5*3
1
73
Tension Control
Wire
55 max/760mm
1
90
Spanner
S13-14-15-17
1
74
Idler Wheel
41*8.5*20
2
91
Allen Wrench
S5
1
75
Brake Block
40*38*32
1
92
Snap Ring
D3
1
76
EV Washer
40*20*3
1
93
Location Grid
1
77
Computer
100mm
1
94
Screw
M3*10
9
78
Trunk Wire
600mm
1
Ordering Replacement Parts (U.S. and Canadian Customers only)
Please provide the following information in order for us to accurately identify the part(s) needed:
✓The model number (found on cover of manual)
✓The product name (found on cover of manual)
✓The part number found on the “EXPLODED DIAGRAM” and “PARTS LIST” (found near the front
of the manual)
Please contact us at [email protected] or 1- 877 - 90SUNNY (877-907-8669).

6
ASSEMBLY INSTRUCTIONS
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
Span
Ne
r to
STEP 1:
Attach the Front Stabilizer (No. 3) to the
Main Frame (No. 1) using 2 Bolts (No. 20).
Tighten with Allen Wrench (No. 91).
Attach the Rear Stabilizer (No. 9) to the
Main Frame (No. 1) using 2 Carriage
Bolts (No. 19), 2 Arc Washers (No. 26)
and 2 Cap Nuts (No. 27). Make sure the
bolts have been tightly fastened. Tighten
with Spanner (No. 90).
STEP 2:
Attach the Seat Cushion (No. 63) to the
Cushion Frame (No. 4), making sure the
correct side is facing up. Use 4 Bolts (No.
28) and 4 Flat Washers (No. 23).
Attach the Backrest Cushion (No. 64) to
the Cushion Frame (No. 4) using 2 Bolts
(No. 29) and 2 Flat Washers (No. 23) as
shown in the diagram. Tighten with Allen
Wrench (No. 91).

7
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 3:
Insert the Brake Handle (No. 49) into the
Eccentric Shaft (No. 50) hole, making
sure the correct side is facing up, and then
secure with the 2 Screws (No. 33).
Assemble as shown in diagram. Tighten
with Allen Wrench (No. 91).
STEP 4:
Attach the Handlebar (No. 5) to the
Cushion Frame (No. 4) using 2 Carriage
Bolts (No. 25), 2 Flat Washers (No. 23),
and 2 Cap Nuts (No. 27). Tighten with
Spanner (No. 90).

8
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 5:
Attach the Cushion Frame (No. 4) to the
Main Frame (No. 1) using 4 Bolts (No. 22),
4 Spring Washers (No. 24), and 4 Flat
Washers (No. 23). Tighten with Allen
Wrench (No. 91).
Connect the Hand Pulse Sensor (No. 80)
with the Hand Pulse Wire 1 (No. 81), as
shown in the diagram.
STEP 6:
Insert the Tension Control Wire (No. 72b)
to Tension Control Wire (No. 73) as
shown in the diagram. Then connect the
Trunk Wire (No. 78) with the Sensor (No.
79) and connect the Hand Pulse Wire 1
(No. 81) with the Hand Pulse Wire 2 (No.
82).
Attach the Front Post (No. 2) to the Main
Frame (No. 1), making sure to align the
screw holes, using 4 Bolts (No. 21) and 4
Arc Washers (No. 26). Tighten with Allen
Wrench (No. 91).
Note: Set the Tension Control Knob (No.
72a) at 1 to ensure enough wire length to
connect the Tension Control Wires (No.
72b &No. 73).
72b
72b
72a

9
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 7:
Connect the wire of the Computer (No.
77) with the Hand Pulse Wire 2 (No. 82)
and Trunk Wire (No. 78).
Remove pre-assembled 2 Bolts (No. 37)
from the Computer (No. 77). Then, attach
the wire to Computer (No. 77) to the
Front Post (No. 2) using the 2 Bolts (No.
37) that were removed.
STEP 8:
Connect the Left &Right Pedals (No. 60L
&No. 60R) onto the Left &Right Cranks
(No. 39L &No. 39R).
Left Pedal: Align the Left Pedal (No. 60L)
with the Left Crank (No. 39L) at 90
degrees and gently insert the pedal into the
crank arm. Turn the pedal
counter-clockwise as tightly as you can with
your hand. Secure with Spanner (No. 90).
Right Pedal: Align the Right Pedal (No.
60R)with the Right Crank (No. 39R) at 90
degrees and gently insert the pedal into the
crank arm. Turn the pedal clockwise as
tightly as you can with your hand. Secure
with Spanner (No. 90).
The assembly is complete!
39R
39L

10
ADJUSTMENTS & USAGE GUIDE
ADJUSTING THE HEIGHT AND BALANCE
In order to achieve a smooth and comfortable ride,
you must ensure that the bike is stable. If you
notice that the bike is unbalanced during use, you
should adjust the end caps located beneath the
Rear Stabilizer (No. 9). To do so, turn it clockwise.
ADJUSTING THE SEAT
Pull the Brake Handle (No. 49) up to loosen (see
Fig 1). Keep your feet on the floor as leverage,
then move the Cushion Frame (No. 4) to the
desired position. Push the Brake Handle (No. 49)
down to tighten (see Fig 2).
Fig. 1
Fig. 2
HOW TO MOVE THE BIKE
Hold the Rear Stabilizer (No. 9) and lift the bike
until the wheels on the Front Stabilizer (No. 3)
touch the ground. Now you can move the bike to
the desired location.
ADJUSTING THE RESISTANCE
Adjust the resistance of the bike using the Tension
Control Knob (No. 72a). Increase the level of
resistance by turning the Tension Control Knob
(No. 72a) to the RIGHT (clockwise), decrease the
level of resistance by turning the Tension Control
Knob (No. 72a) to the LEFT (counter-clockwise).
72a

11
EXERCISE METER
FUNCTION BUTTONS
MODE: Press this button to select functions.
SET: Press to set values of time, distance, calories, or pulse when
not in SCAN mode.
RESET: Press to reset time, distance, and calories to zero when not in
SCAN mode.
Press and hold for a few seconds to reset all values.
Meter will power on when you press any button or when you start to pedal. When you start pedaling,
the meter will start counting. After approximately 4 minutes of no activity, the meter will
automatically shut off. This meter can (1) count the value from this workout (2) countdown from a
value you set.
SCAN: Press MODE until pointer points to SCAN. Display will rotate through all 6 functions:
Time, Speed, Distance, Calorie, ODO, and Pulse. Pointer will point to the function
being displayed. Each function will display for 4 seconds. If you want to view a
specific function, press MODE until the pointer points to the function you want.
TIME: Displays time of your exercise session.
SPEED: Displays current speed.
DISTANCE: Displays distance you have pedaled.
CALORIES: Displays the approximate number of calories burned.
ODOMETER: Monitor displays the total accumulated distance. Pressing RESET does not reset
the odometer. Taking out the batteries resets the odometer.
PULSE: Press MODE until the pointer points to PULSE. Before measuring your pulse rate,
place the palms of your hands on both contact pads and the monitor will show your
current heartbeat rate in beats per minute (BPM) on the LCD after 6~7 seconds.
During the process of pulse measurement, the measurement value may be higher
than the virtual pulse rate during the first 2~3 seconds, then will return to normal
level. The measurement value cannot be regarded as the basis of medical
treatment.
The meter has a countdown function for TIME, DISTANCE, and CALORIES. To use the countdown
function, press MODE to select TIME, DISTANCE, or CALORIES. Press SET to set the value, and
then you can start pedaling. The meter will countdown from the value you set. When the countdown
is done, it will automatically start counting from 0.
t NOTE: If the display is faint or nonexistent, replace the batteries. When you replace the
batteries replace both at the same time. Do not mix battery types. Do not mix old
and new batteries. Dispose of old batteries according to your state and regional
guidelines.
FUNCTIONS

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SPECIFICATIONS:
Version 2.6
FUNCTION
AUTO SCAN
Every 4 seconds
TIME
00:00 ~ 99:59
CURRENT
SPEED
The maximum signal can be pickup is 99.9
MI/H
TRIP DISTANCE
0.00~99.99 MI or 0.00~9999 MI
CALORIES
0.1~999.9 KCAL
ODO
0.1~999.9 MI or 1 ~ 9999 MI
PULSE RATE
40~206 BPM
BATTERY TYPE
2pcs of SIZE –AAA or UM –4
OPERATING
TEMPERATURE
0°C ~ +40°C
STORAGE TEMPERATURE
-10°C ~ +60°C